Created
May 3, 2023 14:43
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book notes
Interface + Header file:
interface should be defined in header files, implementation file and user code file should include the header file
Resource Management:
malloc/free不会掉用构造函数和析构函数；
new/delete、new[]/delete[]要成对出现，但是实际代码中很难保证正确性；
最好的办法是RAII原则，对象的生命周期和它的作用域保持一致。一些组件实现了RAII，比如shared_ptr.
class拥有的“特殊函数”，包括构造函数和操作符重载函数
template:
可以为template的类型参数设置一些限制条件，称为concept
template:
除了类型之外，value也能作为template的参数
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